128667664

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{277301}}^1$

素因数の和:277338

約数の個数: 20

約数和(自身を含む): 257890860

約数和(自身を除く): 129223196

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 277301, 554602, 1109204, 2218408, 4436816, 8041729, 16083458, 32166916, 64333832, 128667664]

約数ペア:

[(1, 128667664), (2, 64333832), (4, 32166916), (8, 16083458), (16, 8041729), (29, 4436816), (58, 2218408), (116, 1109204), (232, 554602), (464, 277301)]